TY - JOUR T1 - Briefly JF - Canadian Medical Association Journal JO - CMAJ SP - E625 LP - E628 DO - 10.1503/cmaj.109-4582 VL - 185 IS - 13 A2 - , Y1 - 2013/09/17 UR - http://www.cmaj.ca/content/185/13/E625.abstract N2 - ER -